Oslo township Flag

Oslo township

County Seat:
No
Area (mi²):
35.614
State:
South Dakota

Oslo township is located in Brookings County, South Dakota. Oslo township has a 2026 population of 241. Oslo township is currently growing at a rate of 2.55% annually and its population has increased by 14.76% since the most recent census, which recorded a population of 210 in 2020.

The median household income in Oslo township is $80,595 with a poverty rate of 0%. The median age in Oslo township is 28.6 years: 28.3 years for males, and 30.7 years for females. For every 100 females there are 228.0 males.

241
Total Population
6.8
Density (mi²)
6 2.55%
Growth

Oslo township Population

Oslo township Population

Year ↓
Population
Growth
Annual Change
202624162.55%
202523562.62%
202422973.15%
202322220.91%
202222073.29%
202121331.43%
2020210-1-0.47%
201921110.48%
201821000%
201721020.96%
201620800%
201520841.96%
2014204-1-0.49%
201320500%
201220520.99%
201120310.5%
2010201-1-0.5%

Median Age

Overall: 28.6 years
Female: 30.7 years
Male: 28.3 years

Oslo township Adults

There are 182 adults, (33 of whom are seniors) in Oslo township.

Sex Ratio

Female: 75 (30.5%)
Male: 171 (69.5%)

Demographics

The racial composition of Oslo township includes 95.93% White, 4.07% other race, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White23695.93%
Other race104.07%
Race
Population ↓
Percentage (of total)
White23695.93%
Other race104.07%

Oslo township Marital Status

Economics and Income Statistics

Oslo township's average per capita income is $49,000. Household income levels show a median of $80,595. The poverty rate stands at 0%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Households$80,595$71,783
Families--
Married Families--
Non Families-$68,805

$49,000

Average Income

$80,595

Median Household Income

0%

Poverty Rate

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)